{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/01_old town road_20260406/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/01_old town road_20260406/suno_mixed_0.mp3",
      "before": {
        "lufs": -12.4,
        "peak": -0.4000000059604645,
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        "crest": 13.899999618530273,
        "width": 3.299999952316284,
        "low_pct": 68.69999694824219,
        "mid_pct": 27.600000381469727,
        "high_pct": 3.5999999046325684,
        "centroid": 686.0,
        "bands": {
          "sub": 32.900001525878906,
          "bass": 35.900001525878906,
          "low_mid": 17.399999618530273,
          "mid": 10.300000190734863,
          "high_mid": 1.600000023841858,
          "air": 2.0999999046325684
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      },
      "after": {
        "lufs": -9.8,
        "peak": 0.0,
        "rms": -12.0,
        "crest": 12.0,
        "width": 4.099999904632568,
        "low_pct": 59.599998474121094,
        "mid_pct": 35.70000076293945,
        "high_pct": 4.699999809265137,
        "centroid": 873.0,
        "bands": {
          "sub": 27.899999618530273,
          "bass": 31.700000762939453,
          "low_mid": 22.200000762939453,
          "mid": 13.5,
          "high_mid": 2.0,
          "air": 2.700000047683716
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.16200000047683716,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.27299997210502625,
        "mid_snap_q": 1.0,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -1.339999794960022,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.330000102519989,
        "tight_hz": 120,
        "tight_db": -0.9019999504089355,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.6700000762939453,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": 0.0,
        "side_gain_db": 0.5399999618530273,
        "_global_low": 68.69999694824219,
        "_global_mid": 27.600000381469727,
        "_global_high": 3.5999999046325684
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=69% Mid=28% High=4% W=3.3% Crest=13.9",
        "   目标: Low=55% Mid=36% High=7% W=7.8% Crest=14.4",
        "   差值: ΔLow=+13% ΔMid=-9% ΔHigh=-4% ΔW=-4.5% ΔCrest=-0.5",
        "   低频偏多+13%: 去闷=-1.3dB, 低频增强=0.3dB, 收紧=-0.9dB",
        "   高频偏少-4%: 空气感=+0.7dB",
        "   LowMid接近目标(Δ+0%) → 不调",
        "   Mid偏少-9%: 2.5kHz=+0.3dB q=1.0",
        "   宽度偏窄-4.5%: Side=+0.5dB",
        "   动态接近目标(Δ-0.5dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2213.0,
        "onset_density": 3.3,
        "low_energy": 54.099998474121094
      },
      "ref": {
        "lufs": -5.4,
        "peak": 6.400000095367432,
        "rms": -8.0,
        "crest": 14.399999618530273,
        "width": 7.800000190734863,
        "low_pct": 55.29999923706055,
        "mid_pct": 36.5,
        "high_pct": 7.300000190734863,
        "centroid": 1032.0,
        "bands": {
          "sub": 24.0,
          "bass": 31.299999237060547,
          "low_mid": 17.100000381469727,
          "mid": 19.399999618530273,
          "high_mid": 6.099999904632568,
          "air": 1.2000000476837158
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/01_old town road_20260406/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260406-153355-69e316/01_old town road_20260406/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.7,
        "peak": -0.0,
        "rms": -14.699999809265137,
        "crest": 14.699999809265137,
        "width": 2.299999952316284,
        "low_pct": 61.599998474121094,
        "mid_pct": 31.200000762939453,
        "high_pct": 7.199999809265137,
        "centroid": 1014.0,
        "bands": {
          "sub": 23.399999618530273,
          "bass": 38.20000076293945,
          "low_mid": 21.600000381469727,
          "mid": 9.600000381469727,
          "high_mid": 2.799999952316284,
          "air": 4.400000095367432
        }
      },
      "after": {
        "lufs": -9.7,
        "peak": 0.0,
        "rms": -12.0,
        "crest": 12.0,
        "width": 2.9000000953674316,
        "low_pct": 52.70000076293945,
        "mid_pct": 38.20000076293945,
        "high_pct": 9.100000381469727,
        "centroid": 1258.0,
        "bands": {
          "sub": 19.799999237060547,
          "bass": 32.900001525878906,
          "low_mid": 26.0,
          "mid": 12.199999809265137,
          "high_mid": 3.5999999046325684,
          "air": 5.5
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.1979999989271164,
        "mid_peak_hz": 60,
        "mid_peak_db": 0.5,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0.5,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.29399996995925903,
        "mid_snap_q": 1.0,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -0.6299999356269836,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.6850000619888306,
        "tight_hz": 120,
        "tight_db": -0.6889999508857727,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.04399999976158142,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": -0.13499999046325684,
        "side_gain_db": 0.6599999666213989,
        "_global_low": 61.599998474121094,
        "_global_mid": 31.200000762939453,
        "_global_high": 7.199999809265137
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=62% Mid=31% High=7% W=2.3% Crest=14.7",
        "   目标: Low=55% Mid=36% High=7% W=7.8% Crest=14.4",
        "   差值: ΔLow=+6% ΔMid=-5% ΔHigh=-0% ΔW=-5.5% ΔCrest=+0.3",
        "   低频偏多+6%: 去闷=-0.6dB, 低频增强=0.7dB, 收紧=-0.7dB",
        "   高频接近目标(Δ-0%) → 微量空气感+0.3dB",
        "   LowMid偏多+4%: 600Hz=-0.1dB",
        "   Mid偏少-10%: 2.5kHz=+0.3dB q=1.0",
        "   Air偏多+3.2%: 空气感再降0.3dB→0.0dB",
        "   宽度偏窄-5.5%: Side=+0.7dB",
        "   动态接近目标(Δ+0.3dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 136.0,
        "centroid": 2641.0,
        "onset_density": 3.8,
        "low_energy": 56.70000076293945
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      "ref": {
        "lufs": -5.4,
        "peak": 6.400000095367432,
        "rms": -8.0,
        "crest": 14.399999618530273,
        "width": 7.800000190734863,
        "low_pct": 55.29999923706055,
        "mid_pct": 36.5,
        "high_pct": 7.300000190734863,
        "centroid": 1032.0,
        "bands": {
          "sub": 24.0,
          "bass": 31.299999237060547,
          "low_mid": 17.100000381469727,
          "mid": 19.399999618530273,
          "high_mid": 6.099999904632568,
          "air": 1.2000000476837158
        }
      }
    }
  ],
  "time": 32.5
}